Hitachi RAC-18WPC, Service Manual, Page: 30 / 43

(3) Do not detach or reattach the connectors while energized
(2) Detaching and reattaching the board connector
Do not under any circumstances detach or reattach the connectors while energized. That would destroy the board
components and fan motor. For both the indoor and outdoor boards, ensure that the smoothing capacitor has discharged its
electricity fully before you do your work.
The product comes equipped with many board connectors provided with lock mechanism. Forcibly pulling any such part
without unlocking it will destroy it. Be on guard. When reconnecting it, insert it securely all the way home.
All the receptacles for connecting tab terminals are with a locking mechanism. Forcibly pulling any such receptacle without
unlocking it will destroy it. Be on guard.
When reconnecting it, insert it securely all the way home.
Pinch the locking mechanism with your
fingers and pull it out unlocked.
Other instructions
(1) Detaching and reattaching the receptacles for tab terminal
·
Receptacle types and how to unlock them
Vertical (with a resin case)
Hold the resin case and pull it out.
Mild resin cover
Horizontal (with a mild resin cover)
Hold the cancel button down on the
mild resin cover while pulling it out.
Cancel button
Locking
mechanism
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